Lang Son is a frontier mountainous province in the North-East of Vietnam. It shares border with Cao Bang Province on the south, Bac Giang Province on the north, Guangxi (China) on the east, Quang Ninh Province on the north-east and Bac Kan, Thai Nguyen provinces on the west. The climate is cool and temperate. Annual average temperature is 21.50C. Annual average rainfall is from 1200mm to 1600mm.
Lang Son has potentiality of mineral, forestry, tourism and trading. Star aniseed (hoa hoi) is a specialty. The province is proud of many culture and historical vestiges. They are Rampart of Mac Dynasty, Doan Citadel Vestige, Chi Lang Defile, Ky Cung and Bac Le temples. Apart of these, Ky Lua Market, To Thi and Mau Son mountains, Tam Thanh, and Nhi Thanh grottoes also attract many visitors every year. Especially, lots of people come to Ky Lua and Tam Thanh markets to shopping because the goods are abundant and cheap.
Coming to there, tourists are interesting in Ky Lua or Long Tong traditional festivals. They would like to taste special dishes: roast duck, roast pig, Mau Son wine and lam rice.
Lang Son is 154km from Hanoi, 60km from Thai Nguyen, 48km from Quang Ninh, 55km from Cao Bang, 73km from Bac Kan.